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review.vexxhost.dev / atmosphere / 13256679312873707d20ed59ffd6a75f122b6164 / . / atmosphere / operator / manifests / capi-bootstrap.yml
blob: 27be3d1cd6da0d779cca17cc9e2ca4277ae88431 [file] [log] [blame]
apiVersion: v1
kind: Namespace
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
control-plane: controller-manager
name: capi-kubeadm-bootstrap-system
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
controller-gen.kubebuilder.io/version: v0.10.0
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
cluster.x-k8s.io/v1alpha3: v1alpha3
cluster.x-k8s.io/v1alpha4: v1alpha4
cluster.x-k8s.io/v1beta1: v1beta1
clusterctl.cluster.x-k8s.io: ""
name: kubeadmconfigs.bootstrap.cluster.x-k8s.io
spec:
conversion:
strategy: Webhook
webhook:
clientConfig:
caBundle: Cg==
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /convert
conversionReviewVersions:
- v1
- v1beta1
group: bootstrap.cluster.x-k8s.io
names:
categories:
- cluster-api
kind: KubeadmConfig
listKind: KubeadmConfigList
plural: kubeadmconfigs
singular: kubeadmconfig
scope: Namespaced
versions:
- name: v1alpha3
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be defined
or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are
the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server
control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names
for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that
we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look
for all required certificates. NB: if not provided, this will
default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or
DNS name for the control plane; it can be a valid IP address
or a RFC-1123 DNS subdomain, both with optional TCP port. In
case the ControlPlaneEndpoint is not specified, the AdvertiseAddress
+ BindPort are used; in case the ControlPlaneEndpoint is specified
but without a TCP port, the BindPort is used. Possible usages
are: e.g. In a cluster with more than one control plane instances,
this field should be assigned the address of the external load
balancer in front of the control plane instances. e.g. in environments
with enforced node recycling, the ControlPlaneEndpoint could
be used for assigning a stable DNS to the control plane. NB:
This value defaults to the first value in the Cluster object
status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the
controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed
in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to
pull images from. if not set, the ImageRepository defined
in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image.
In case this value is set, kubeadm does not change automatically
the version of the above components during upgrades.
type: string
type:
description: Type defines the DNS add-on to be used
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value
defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external
etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file
used to secure etcd communication. Required if using
a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used
to secure etcd communication. Required if using a TLS
connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure
etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring
the local etcd instance Local and External are mutually
exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place
its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to
the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the
image. In case this value is set, kubeadm does not change
automatically the version of the above components during
upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative
Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull
images from. If empty, `k8s.gcr.io` will be used by default;
in case of kubernetes version is a CI build (kubernetes version
starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images`
will be used as a default for control plane components and for
kube-proxy, while `k8s.gcr.io` will be used for all the other
images.
type: string
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control
plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to the Cluster
object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services.
Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset,
the API server will not allocate CIDR ranges for every node.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12"
if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler
control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
useHyperKubeImage:
description: UseHyperKubeImage controls if hyperkube should be
used for Kubernetes components instead of their respective separate
images
type: boolean
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition
tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to
setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the
command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be
used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite
any existing filesystem. If true, any pre-existing file
system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use.
The valid options are: "auto|any", "auto", "any", "none",
and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for
Microsoft Azure that instructs cloud-init to replace a
file system of <FS_TYPE>. NOTE: unless you define a label,
this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to
setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is
true, a single partition will be created for the entire
device. When layout is false, it means don't partition
or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks
and create the partition if a partition or filesystem
is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default and
setups a MS-DOS partition table ''gpt'': setups a GPT
partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files in
cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to
populate the file.
properties:
secret:
description: Secret represents a secret that should populate
this file.
properties:
key:
description: Key is the key in the secret's data map
for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g.
"root:root".
type: string
path:
description: Path specifies the full path on disk where to store
the file.
type: string
permissions:
description: Permissions specifies the permissions to assign
to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are
the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time
and describes a set of Bootstrap Tokens to create. This information
IS NOT uploaded to the kubeadm cluster configmap, partly because
of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored
as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why
this token exists and what it's used for, so other administrators
can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token
expires. Defaults to being set dynamically at runtime
based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this
token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for joining
nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token.
Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token
can be used. Can by default be used for establishing bidirectional
trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API
server instance that's deployed on this control plane node In
HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global endpoint
for the cluster, which then loadbalances the requests to each
individual API server. This configuration object lets you customize
what IP/DNS name and port the local API server advertises it's
accessible on. By default, kubeadm tries to auto-detect the
IP of the default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the
API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server
to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: {}` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the
join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority
used to secure comunications between node and control-plane.
Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when
there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane
instance to be deployed on the joining node. If nil, no additional
control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the
API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for
the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API
Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet
to use during the TLS Bootstrap process TODO: revisit when there
is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for
bootstrap token based discovery BootstrapToken and File
are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name
to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key
pins to verify when token-based discovery is used. The
root CA found during discovery must match one of these
values. Specifying an empty set disables root CA pinning,
which can be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject Public
Key Info (SPKI) object in DER-encoded ASN.1. These hashes
can be calculated using, for example, OpenSSL: openssl
x509 -pubkey -in ca.crt openssl rsa -pubin -outform
der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster
information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since other
nodes can impersonate the control-plane.
type: boolean
required:
- token
- unsafeSkipCAVerification
type: object
file:
description: File is used to specify a file or URL to a kubeconfig
file from which to load cluster information BootstrapToken
and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual
file path or URL to the kubeconfig file from which to
load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: 'TLSBootstrapToken is a token used for TLS bootstrapping.
If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token,
but can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain any
other authentication information TODO: revisit when there
is defaulting from k/k'
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: {}` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after
kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before
kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command
with a shell script with retries for joins. \n This is meant to
be an experimental temporary workaround on some environments where
joins fail due to timing (and other issues). The long term goal
is to add retries to kubeadm proper and use that functionality.
\n This will add about 40KB to userdata \n For more information,
refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the
user
type: string
homeDir:
description: HomeDir specifies the home directory to use for
the user
type: string
inactive:
description: Inactive specifies whether to mark the user as
inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should
be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the
user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized
keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity.
It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
bootstrapData:
description: "BootstrapData will be a cloud-init script for now. \n
Deprecated: Switch to DataSecretName."
format: byte
type: string
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource
operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status
to another. This should be when the underlying condition changed.
If that is not known, then using the time when the API field
changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about
the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition
in CamelCase. The specific API may choose whether or not this
field is considered a guaranteed API. This field may not be
empty.
type: string
severity:
description: Severity provides an explicit classification of
Reason code, so the users or machines can immediately understand
the current situation and act accordingly. The Severity field
MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase.
Many .condition.type values are consistent across resources
like Available, but because arbitrary conditions can be useful
(see .node.status.conditions), the ability to deconflict is
important.
type: string
required:
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores
the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed
by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be
consumed
type: boolean
type: object
type: object
served: true
storage: false
subresources:
status: {}
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfig
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1alpha4
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be defined
or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are
the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server
control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names
for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that
we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look
for all required certificates. NB: if not provided, this will
default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or
DNS name for the control plane; it can be a valid IP address
or a RFC-1123 DNS subdomain, both with optional TCP port. In
case the ControlPlaneEndpoint is not specified, the AdvertiseAddress
+ BindPort are used; in case the ControlPlaneEndpoint is specified
but without a TCP port, the BindPort is used. Possible usages
are: e.g. In a cluster with more than one control plane instances,
this field should be assigned the address of the external load
balancer in front of the control plane instances. e.g. in environments
with enforced node recycling, the ControlPlaneEndpoint could
be used for assigning a stable DNS to the control plane. NB:
This value defaults to the first value in the Cluster object
status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the
controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed
in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to
pull images from. if not set, the ImageRepository defined
in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image.
In case this value is set, kubeadm does not change automatically
the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value
defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external
etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file
used to secure etcd communication. Required if using
a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used
to secure etcd communication. Required if using a TLS
connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure
etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring
the local etcd instance Local and External are mutually
exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place
its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to
the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the
image. In case this value is set, kubeadm does not change
automatically the version of the above components during
upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative
Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull
images from. If empty, `registry.k8s.io` will be used by default;
in case of kubernetes version is a CI build (kubernetes version
starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images`
will be used as a default for control plane components and for
kube-proxy, while `registry.k8s.io` will be used for all the
other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control
plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to the Cluster
object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services.
Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset,
the API server will not allocate CIDR ranges for every node.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12"
if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler
control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition
tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to
setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the
command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be
used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite
any existing filesystem. If true, any pre-existing file
system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use.
The valid options are: "auto|any", "auto", "any", "none",
and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for
Microsoft Azure that instructs cloud-init to replace a
file system of <FS_TYPE>. NOTE: unless you define a label,
this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to
setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is
true, a single partition will be created for the entire
device. When layout is false, it means don't partition
or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks
and create the partition if a partition or filesystem
is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default and
setups a MS-DOS partition table ''gpt'': setups a GPT
partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files in
cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to
populate the file.
properties:
secret:
description: Secret represents a secret that should populate
this file.
properties:
key:
description: Key is the key in the secret's data map
for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g.
"root:root".
type: string
path:
description: Path specifies the full path on disk where to store
the file.
type: string
permissions:
description: Permissions specifies the permissions to assign
to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are
the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time
and describes a set of Bootstrap Tokens to create. This information
IS NOT uploaded to the kubeadm cluster configmap, partly because
of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored
as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why
this token exists and what it's used for, so other administrators
can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token
expires. Defaults to being set dynamically at runtime
based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this
token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for joining
nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token.
Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token
can be used. Can by default be used for establishing bidirectional
trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API
server instance that's deployed on this control plane node In
HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global endpoint
for the cluster, which then loadbalances the requests to each
individual API server. This configuration object lets you customize
what IP/DNS name and port the local API server advertises it's
accessible on. By default, kubeadm tries to auto-detect the
IP of the default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the
API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server
to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight
errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: {}` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the
join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority
used to secure comunications between node and control-plane.
Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when
there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane
instance to be deployed on the joining node. If nil, no additional
control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the
API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for
the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API
Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet
to use during the TLS Bootstrap process TODO: revisit when there
is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for
bootstrap token based discovery BootstrapToken and File
are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name
to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key
pins to verify when token-based discovery is used. The
root CA found during discovery must match one of these
values. Specifying an empty set disables root CA pinning,
which can be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject Public
Key Info (SPKI) object in DER-encoded ASN.1. These hashes
can be calculated using, for example, OpenSSL: openssl
x509 -pubkey -in ca.crt openssl rsa -pubin -outform
der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster
information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since other
nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig
file from which to load cluster information BootstrapToken
and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual
file path or URL to the kubeconfig file from which to
load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping.
If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token,
but can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain any
other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight
errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: {}` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after
kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before
kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command
with a shell script with retries for joins. \n This is meant to
be an experimental temporary workaround on some environments where
joins fail due to timing (and other issues). The long term goal
is to add retries to kubeadm proper and use that functionality.
\n This will add about 40KB to userdata \n For more information,
refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the
user
type: string
homeDir:
description: HomeDir specifies the home directory to use for
the user
type: string
inactive:
description: Inactive specifies whether to mark the user as
inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should
be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the
user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized
keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity.
It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource
operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status
to another. This should be when the underlying condition changed.
If that is not known, then using the time when the API field
changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about
the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition
in CamelCase. The specific API may choose whether or not this
field is considered a guaranteed API. This field may not be
empty.
type: string
severity:
description: Severity provides an explicit classification of
Reason code, so the users or machines can immediately understand
the current situation and act accordingly. The Severity field
MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase.
Many .condition.type values are consistent across resources
like Available, but because arbitrary conditions can be useful
(see .node.status.conditions), the ability to deconflict is
important.
type: string
required:
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores
the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed
by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be
consumed
type: boolean
type: object
type: object
served: true
storage: false
subresources:
status: {}
- additionalPrinterColumns:
- description: Cluster
jsonPath: .metadata.labels['cluster\.x-k8s\.io/cluster-name']
name: Cluster
type: string
- description: Time duration since creation of KubeadmConfig
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be defined
or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are
the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server
control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names
for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that
we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look
for all required certificates. NB: if not provided, this will
default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or
DNS name for the control plane; it can be a valid IP address
or a RFC-1123 DNS subdomain, both with optional TCP port. In
case the ControlPlaneEndpoint is not specified, the AdvertiseAddress
+ BindPort are used; in case the ControlPlaneEndpoint is specified
but without a TCP port, the BindPort is used. Possible usages
are: e.g. In a cluster with more than one control plane instances,
this field should be assigned the address of the external load
balancer in front of the control plane instances. e.g. in environments
with enforced node recycling, the ControlPlaneEndpoint could
be used for assigning a stable DNS to the control plane. NB:
This value defaults to the first value in the Cluster object
status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the
controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed
in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to
pull images from. if not set, the ImageRepository defined
in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image.
In case this value is set, kubeadm does not change automatically
the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value
defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external
etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file
used to secure etcd communication. Required if using
a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used
to secure etcd communication. Required if using a TLS
connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure
etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring
the local etcd instance Local and External are mutually
exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place
its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to
the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the
image. In case this value is set, kubeadm does not change
automatically the version of the above components during
upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative
Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull
images from. If empty, `registry.k8s.io` will be used by default;
in case of kubernetes version is a CI build (kubernetes version
starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images`
will be used as a default for control plane components and for
kube-proxy, while `registry.k8s.io` will be used for all the
other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control
plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to the Cluster
object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services.
Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset,
the API server will not allocate CIDR ranges for every node.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services.
Defaults to a comma-delimited string of the Cluster object's
spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12"
if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler
control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to
the control plane component. TODO: This is temporary and
ideally we would like to switch all components to use ComponentConfig
+ ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes,
mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will
be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where
hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition
tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to
setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the
command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be
used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite
any existing filesystem. If true, any pre-existing file
system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use.
The valid options are: "auto|any", "auto", "any", "none",
and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for
Microsoft Azure that instructs cloud-init to replace a
file system of <FS_TYPE>. NOTE: unless you define a label,
this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to
setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is
true, a single partition will be created for the entire
device. When layout is false, it means don't partition
or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks
and create the partition if a partition or filesystem
is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default and
setups a MS-DOS partition table ''gpt'': setups a GPT
partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files in
cloud-init.
properties:
append:
description: Append specifies whether to append Content to existing
file if Path exists.
type: boolean
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to
populate the file.
properties:
secret:
description: Secret represents a secret that should populate
this file.
properties:
key:
description: Key is the key in the secret's data map
for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g.
"root:root".
type: string
path:
description: Path specifies the full path on disk where to store
the file.
type: string
permissions:
description: Permissions specifies the permissions to assign
to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
- ignition
type: string
ignition:
description: Ignition contains Ignition specific configuration.
properties:
containerLinuxConfig:
description: ContainerLinuxConfig contains CLC specific configuration.
properties:
additionalConfig:
description: "AdditionalConfig contains additional configuration
to be merged with the Ignition configuration generated by
the bootstrapper controller. More info: https://coreos.github.io/ignition/operator-notes/#config-merging
\n The data format is documented here: https://kinvolk.io/docs/flatcar-container-linux/latest/provisioning/cl-config/"
type: string
strict:
description: Strict controls if AdditionalConfig should be
strictly parsed. If so, warnings are treated as errors.
type: boolean
type: object
type: object
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are
the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time
and describes a set of Bootstrap Tokens to create. This information
IS NOT uploaded to the kubeadm cluster configmap, partly because
of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored
as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why
this token exists and what it's used for, so other administrators
can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token
expires. Defaults to being set dynamically at runtime
based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this
token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for joining
nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token.
Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token
can be used. Can by default be used for establishing bidirectional
trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API
server instance that's deployed on this control plane node In
HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global endpoint
for the cluster, which then loadbalances the requests to each
individual API server. This configuration object lets you customize
what IP/DNS name and port the local API server advertises it's
accessible on. By default, kubeadm tries to auto-detect the
IP of the default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the
API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server
to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight
errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: []` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
patches:
description: Patches contains options related to applying patches
to components deployed by kubeadm during "kubeadm init". The
minimum kubernetes version needed to support Patches is v1.22
properties:
directory:
description: Directory is a path to a directory that contains
files named "target[suffix][+patchtype].extension". For
example, "kube-apiserver0+merge.yaml" or just "etcd.json".
"target" can be one of "kube-apiserver", "kube-controller-manager",
"kube-scheduler", "etcd". "patchtype" can be one of "strategic"
"merge" or "json" and they match the patch formats supported
by kubectl. The default "patchtype" is "strategic". "extension"
must be either "json" or "yaml". "suffix" is an optional
string that can be used to determine which patches are applied
first alpha-numerically. These files can be written into
the target directory via KubeadmConfig.Files which specifies
additional files to be created on the machine, either with
content inline or by referencing a secret.
type: string
type: object
skipPhases:
description: SkipPhases is a list of phases to skip during command
execution. The list of phases can be obtained with the "kubeadm
init --help" command. This option takes effect only on Kubernetes
>=1.22.0.
items:
type: string
type: array
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the
join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this
representation of an object. Servers should convert recognized
schemas to the latest internal value, and may reject unrecognized
values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority
used to secure comunications between node and control-plane.
Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when
there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane
instance to be deployed on the joining node. If nil, no additional
control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the
API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for
the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API
Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet
to use during the TLS Bootstrap process TODO: revisit when there
is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for
bootstrap token based discovery BootstrapToken and File
are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name
to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key
pins to verify when token-based discovery is used. The
root CA found during discovery must match one of these
values. Specifying an empty set disables root CA pinning,
which can be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject Public
Key Info (SPKI) object in DER-encoded ASN.1. These hashes
can be calculated using, for example, OpenSSL: openssl
x509 -pubkey -in ca.crt openssl rsa -pubin -outform
der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster
information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since other
nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig
file from which to load cluster information BootstrapToken
and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual
file path or URL to the kubeconfig file from which to
load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping.
If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token,
but can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain any
other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource
this object represents. Servers may infer this from the endpoint
the client submits requests to. Cannot be updated. In CamelCase.
More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering
the new control-plane node to the cluster. When used in the
context of control plane nodes, NodeRegistration should remain
consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime
info. This information will be annotated to the Node API
object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight
errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments
to the kubelet. The arguments here are passed to the kubelet
command line via the environment file kubeadm writes at
runtime for the kubelet to source. This overrides the generic
base-level configuration in the kubelet-config-1.X ConfigMap
Flags have higher priority when parsing. These values are
local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node
API object that will be created in this `kubeadm init` or
`kubeadm join` operation. This field is also used in the
CommonName field of the kubelet's client certificate to
the API server. Defaults to the hostname of the node if
not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object
should be registered with. If this field is unset, i.e.
nil, in the `kubeadm init` process it will be defaulted
to []v1.Taint{''node-role.kubernetes.io/master=""''}. If
you don''t want to taint your control-plane node, set this
field to an empty slice, i.e. `taints: []` in the YAML file.
This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the
"effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods
that do not tolerate the taint. Valid effects are
NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to
a node.
type: string
timeAdded:
description: TimeAdded represents the time at which
the taint was added. It is only written for NoExecute
taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint
key.
type: string
required:
- effect
- key
type: object
type: array
type: object
patches:
description: Patches contains options related to applying patches
to components deployed by kubeadm during "kubeadm join". The
minimum kubernetes version needed to support Patches is v1.22
properties:
directory:
description: Directory is a path to a directory that contains
files named "target[suffix][+patchtype].extension". For
example, "kube-apiserver0+merge.yaml" or just "etcd.json".
"target" can be one of "kube-apiserver", "kube-controller-manager",
"kube-scheduler", "etcd". "patchtype" can be one of "strategic"
"merge" or "json" and they match the patch formats supported
by kubectl. The default "patchtype" is "strategic". "extension"
must be either "json" or "yaml". "suffix" is an optional
string that can be used to determine which patches are applied
first alpha-numerically. These files can be written into
the target directory via KubeadmConfig.Files which specifies
additional files to be created on the machine, either with
content inline or by referencing a secret.
type: string
type: object
skipPhases:
description: SkipPhases is a list of phases to skip during command
execution. The list of phases can be obtained with the "kubeadm
init --help" command. This option takes effect only on Kubernetes
>=1.22.0.
items:
type: string
type: array
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after
kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before
kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command
with a shell script with retries for joins. \n This is meant to
be an experimental temporary workaround on some environments where
joins fail due to timing (and other issues). The long term goal
is to add retries to kubeadm proper and use that functionality.
\n This will add about 40KB to userdata \n For more information,
refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055.
\n Deprecated: This experimental fix is no longer needed and this
field will be removed in a future release. When removing also remove
from staticcheck exclude-rules for SA1019 in golangci.yml"
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the
user
type: string
homeDir:
description: HomeDir specifies the home directory to use for
the user
type: string
inactive:
description: Inactive specifies whether to mark the user as
inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should
be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
passwdFrom:
description: PasswdFrom is a referenced source of passwd to
populate the passwd.
properties:
secret:
description: Secret represents a secret that should populate
this password.
properties:
key:
description: Key is the key in the secret's data map
for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
primaryGroup:
description: PrimaryGroup specifies the primary group for the
user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized
keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity.
It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource
operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status
to another. This should be when the underlying condition changed.
If that is not known, then using the time when the API field
changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about
the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition
in CamelCase. The specific API may choose whether or not this
field is considered a guaranteed API. This field may not be
empty.
type: string
severity:
description: Severity provides an explicit classification of
Reason code, so the users or machines can immediately understand
the current situation and act accordingly. The Severity field
MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase.
Many .condition.type values are consistent across resources
like Available, but because arbitrary conditions can be useful
(see .node.status.conditions), the ability to deconflict is
important.
type: string
required:
- lastTransitionTime
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores
the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed
by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be
consumed
type: boolean
type: object
type: object
served: true
storage: true
subresources:
status: {}
status:
acceptedNames:
kind: ""
plural: ""
conditions: null
storedVersions: null
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
controller-gen.kubebuilder.io/version: v0.10.0
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
cluster.x-k8s.io/v1alpha3: v1alpha3
cluster.x-k8s.io/v1alpha4: v1alpha4
cluster.x-k8s.io/v1beta1: v1beta1
clusterctl.cluster.x-k8s.io: ""
name: kubeadmconfigtemplates.bootstrap.cluster.x-k8s.io
spec:
conversion:
strategy: Webhook
webhook:
clientConfig:
caBundle: Cg==
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /convert
conversionReviewVersions:
- v1
- v1beta1
group: bootstrap.cluster.x-k8s.io
names:
categories:
- cluster-api
kind: KubeadmConfigTemplate
listKind: KubeadmConfigTemplateList
plural: kubeadmconfigtemplates
singular: kubeadmconfigtemplate
scope: Namespaced
versions:
- name: v1alpha3
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates
API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be
defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration
are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the
API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative
Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout
that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store
or look for all required certificates. NB: if not provided,
this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address
or DNS name for the control plane; it can be a valid
IP address or a RFC-1123 DNS subdomain, both with optional
TCP port. In case the ControlPlaneEndpoint is not specified,
the AdvertiseAddress + BindPort are used; in case the
ControlPlaneEndpoint is specified but without a TCP
port, the BindPort is used. Possible usages are: e.g.
In a cluster with more than one control plane instances,
this field should be assigned the address of the external
load balancer in front of the control plane instances.
e.g. in environments with enforced node recycling,
the ControlPlaneEndpoint could be used for assigning
a stable DNS to the control plane. NB: This value defaults
to the first value in the Cluster object status.apiEndpoints
array.'
type: string
controllerManager:
description: ControllerManager contains extra settings
for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on
installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for
the image. In case this value is set, kubeadm does
not change automatically the version of the above
components during upgrades.
type: string
type:
description: Type defines the DNS add-on to be used
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This
value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to
an external etcd cluster Local and External are
mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority
file used to secure etcd communication. Required
if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification
file used to secure etcd communication. Required
if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required
for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to
secure etcd communication. Required if using
a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for
configuring the local etcd instance Local and External
are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will
place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided
to the etcd binary when run inside a static
pod.
type: object
imageRepository:
description: ImageRepository sets the container
registry to pull images from. if not set, the
ImageRepository defined in ClusterConfiguration
will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag
for the image. In case this value is set, kubeadm
does not change automatically the version of
the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject
Alternative Names for the etcd server signing
cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. If empty, `k8s.gcr.io` will be
used by default; in case of kubernetes version is a
CI build (kubernetes version starts with `ci/` or `ci-cross/`)
`gcr.io/k8s-staging-ci-images` will be used as a default
for control plane components and for kube-proxy, while
`k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version
of the control plane. NB: This value defaults to the
Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to
the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s
services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods.
If unset, the API server will not allocate CIDR
ranges for every node. Defaults to a comma-delimited
string of the Cluster object's spec.clusterNetwork.services.cidrBlocks
if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s
services. Defaults to a comma-delimited string of
the Cluster object's spec.clusterNetwork.pods.cidrBlocks,
or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the
scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
useHyperKubeImage:
description: UseHyperKubeImage controls if hyperkube should
be used for Kubernetes components instead of their respective
separate images
type: boolean
type: object
diskSetup:
description: DiskSetup specifies options for the creation
of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems
to setup.
items:
description: Filesystem defines the file systems to
be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to
add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system
type.
type: string
label:
description: Label specifies the file system label
to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to
overwrite any existing filesystem. If true, any
pre-existing file system will be destroyed. Use
with Caution.
type: boolean
partition:
description: 'Partition specifies the partition
to use. The valid options are: "auto|any", "auto",
"any", "none", and <NUM>, where NUM is the actual
partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive,
used for Microsoft Azure that instructs cloud-init
to replace a file system of <FS_TYPE>. NOTE: unless
you define a label, this requires the use of the
''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions
to setup.
items:
description: Partition defines how to create and layout
a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout.
If it is true, a single partition will be created
for the entire device. When layout is false, it
means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip
checks and create the partition if a partition
or filesystem is found on the device. Use with
caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default
and setups a MS-DOS partition table ''gpt'': setups
a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files
in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content
to populate the file.
properties:
secret:
description: Secret represents a secret that should
populate this file.
properties:
key:
description: Key is the key in the secret's
data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the
file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file,
e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where
to store the file.
type: string
permissions:
description: Permissions specifies the permissions to
assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap
data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration
are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm
init` time and describes a set of Bootstrap Tokens to
create. This information IS NOT uploaded to the kubeadm
cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap
token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message
why this token exists and what it's used for,
so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when
this token expires. Defaults to being set dynamically
at runtime based on the TTL. Expires and TTL are
mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that
this token will authenticate as when/if used for
authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for
joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this
token. Defaults to 24h. Expires and TTL are mutually
exclusive.
type: string
usages:
description: Usages describes the ways in which
this token can be used. Can by default be used
for establishing bidirectional trust, but that
can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance that's deployed on this control
plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global
endpoint for the cluster, which then loadbalances the
requests to each individual API server. This configuration
object lets you customize what IP/DNS name and port
the local API server advertises it's accessible on.
By default, kubeadm tries to auto-detect the IP of the
default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the
API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
{}` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration
for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate
authority used to secure comunications between node
and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt".
TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control
plane instance to be deployed on the joining node. If
nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance to be deployed on this
node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for
the API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
type: object
discovery:
description: 'Discovery specifies the options for the
kubelet to use during the TLS Bootstrap process TODO:
revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options
for bootstrap token based discovery BootstrapToken
and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain
name to the API server from which info will
be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of
public key pins to verify when token-based discovery
is used. The root CA found during discovery
must match one of these values. Specifying an
empty set disables root CA pinning, which can
be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject
Public Key Info (SPKI) object in DER-encoded
ASN.1. These hashes can be calculated using,
for example, OpenSSL: openssl x509 -pubkey -in
ca.crt openssl rsa -pubin -outform der 2>&/dev/null
| openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate
cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since
other nodes can impersonate the control-plane.
type: boolean
required:
- token
- unsafeSkipCAVerification
type: object
file:
description: File is used to specify a file or URL
to a kubeconfig file from which to load cluster
information BootstrapToken and File are mutually
exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify
the actual file path or URL to the kubeconfig
file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: 'TLSBootstrapToken is a token used for
TLS bootstrapping. If .BootstrapToken is set, this
field is defaulted to .BootstrapToken.Token, but
can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain
any other authentication information TODO: revisit
when there is defaulting from k/k'
type: string
type: object
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
{}` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be
setup.
items:
description: MountPoints defines input for generated mounts
in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands
to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to
run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm
command with a shell script with retries for joins. \n This
is meant to be an experimental temporary workaround on some
environments where joins fail due to timing (and other issues).
The long term goal is to add retries to kubeadm proper and
use that functionality. \n This will add about 40KB to userdata
\n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user
in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the
user
type: string
groups:
description: Groups specifies the additional groups
for the user
type: string
homeDir:
description: HomeDir specifies the home directory to
use for the user
type: string
inactive:
description: Inactive specifies whether to mark the
user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login
should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for
the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group
for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh
authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level
verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: false
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfigTemplate
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1alpha4
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates
API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be
defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration
are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the
API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative
Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout
that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store
or look for all required certificates. NB: if not provided,
this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address
or DNS name for the control plane; it can be a valid
IP address or a RFC-1123 DNS subdomain, both with optional
TCP port. In case the ControlPlaneEndpoint is not specified,
the AdvertiseAddress + BindPort are used; in case the
ControlPlaneEndpoint is specified but without a TCP
port, the BindPort is used. Possible usages are: e.g.
In a cluster with more than one control plane instances,
this field should be assigned the address of the external
load balancer in front of the control plane instances.
e.g. in environments with enforced node recycling,
the ControlPlaneEndpoint could be used for assigning
a stable DNS to the control plane. NB: This value defaults
to the first value in the Cluster object status.apiEndpoints
array.'
type: string
controllerManager:
description: ControllerManager contains extra settings
for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on
installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for
the image. In case this value is set, kubeadm does
not change automatically the version of the above
components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This
value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to
an external etcd cluster Local and External are
mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority
file used to secure etcd communication. Required
if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification
file used to secure etcd communication. Required
if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required
for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to
secure etcd communication. Required if using
a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for
configuring the local etcd instance Local and External
are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will
place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided
to the etcd binary when run inside a static
pod.
type: object
imageRepository:
description: ImageRepository sets the container
registry to pull images from. if not set, the
ImageRepository defined in ClusterConfiguration
will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag
for the image. In case this value is set, kubeadm
does not change automatically the version of
the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject
Alternative Names for the etcd server signing
cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. If empty, `registry.k8s.io` will
be used by default; in case of kubernetes version is
a CI build (kubernetes version starts with `ci/` or
`ci-cross/`) `gcr.io/k8s-staging-ci-images` will be
used as a default for control plane components and for
kube-proxy, while `registry.k8s.io` will be used for
all the other images.
type: string
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version
of the control plane. NB: This value defaults to the
Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to
the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s
services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods.
If unset, the API server will not allocate CIDR
ranges for every node. Defaults to a comma-delimited
string of the Cluster object's spec.clusterNetwork.services.cidrBlocks
if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s
services. Defaults to a comma-delimited string of
the Cluster object's spec.clusterNetwork.pods.cidrBlocks,
or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the
scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation
of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems
to setup.
items:
description: Filesystem defines the file systems to
be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to
add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system
type.
type: string
label:
description: Label specifies the file system label
to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to
overwrite any existing filesystem. If true, any
pre-existing file system will be destroyed. Use
with Caution.
type: boolean
partition:
description: 'Partition specifies the partition
to use. The valid options are: "auto|any", "auto",
"any", "none", and <NUM>, where NUM is the actual
partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive,
used for Microsoft Azure that instructs cloud-init
to replace a file system of <FS_TYPE>. NOTE: unless
you define a label, this requires the use of the
''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions
to setup.
items:
description: Partition defines how to create and layout
a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout.
If it is true, a single partition will be created
for the entire device. When layout is false, it
means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip
checks and create the partition if a partition
or filesystem is found on the device. Use with
caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default
and setups a MS-DOS partition table ''gpt'': setups
a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files
in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content
to populate the file.
properties:
secret:
description: Secret represents a secret that should
populate this file.
properties:
key:
description: Key is the key in the secret's
data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the
file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file,
e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where
to store the file.
type: string
permissions:
description: Permissions specifies the permissions to
assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap
data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration
are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm
init` time and describes a set of Bootstrap Tokens to
create. This information IS NOT uploaded to the kubeadm
cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap
token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message
why this token exists and what it's used for,
so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when
this token expires. Defaults to being set dynamically
at runtime based on the TTL. Expires and TTL are
mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that
this token will authenticate as when/if used for
authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for
joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this
token. Defaults to 24h. Expires and TTL are mutually
exclusive.
type: string
usages:
description: Usages describes the ways in which
this token can be used. Can by default be used
for establishing bidirectional trust, but that
can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance that's deployed on this control
plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global
endpoint for the cluster, which then loadbalances the
requests to each individual API server. This configuration
object lets you customize what IP/DNS name and port
the local API server advertises it's accessible on.
By default, kubeadm tries to auto-detect the IP of the
default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the
API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice
of pre-flight errors to be ignored when the current
node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
{}` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration
for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate
authority used to secure comunications between node
and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt".
TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control
plane instance to be deployed on the joining node. If
nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance to be deployed on this
node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for
the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the
kubelet to use during the TLS Bootstrap process TODO:
revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options
for bootstrap token based discovery BootstrapToken
and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain
name to the API server from which info will
be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of
public key pins to verify when token-based discovery
is used. The root CA found during discovery
must match one of these values. Specifying an
empty set disables root CA pinning, which can
be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject
Public Key Info (SPKI) object in DER-encoded
ASN.1. These hashes can be calculated using,
for example, OpenSSL: openssl x509 -pubkey -in
ca.crt openssl rsa -pubin -outform der 2>&/dev/null
| openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate
cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since
other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL
to a kubeconfig file from which to load cluster
information BootstrapToken and File are mutually
exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify
the actual file path or URL to the kubeconfig
file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for
TLS bootstrapping. If .BootstrapToken is set, this
field is defaulted to .BootstrapToken.Token, but
can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain
any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice
of pre-flight errors to be ignored when the current
node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
{}` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be
setup.
items:
description: MountPoints defines input for generated mounts
in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands
to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to
run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm
command with a shell script with retries for joins. \n This
is meant to be an experimental temporary workaround on some
environments where joins fail due to timing (and other issues).
The long term goal is to add retries to kubeadm proper and
use that functionality. \n This will add about 40KB to userdata
\n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user
in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the
user
type: string
groups:
description: Groups specifies the additional groups
for the user
type: string
homeDir:
description: HomeDir specifies the home directory to
use for the user
type: string
inactive:
description: Inactive specifies whether to mark the
user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login
should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for
the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group
for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh
authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level
verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: false
subresources: {}
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfigTemplate
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates
API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig.
Either ClusterConfiguration and InitConfiguration should be
defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration
are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the
API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative
Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout
that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store
or look for all required certificates. NB: if not provided,
this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address
or DNS name for the control plane; it can be a valid
IP address or a RFC-1123 DNS subdomain, both with optional
TCP port. In case the ControlPlaneEndpoint is not specified,
the AdvertiseAddress + BindPort are used; in case the
ControlPlaneEndpoint is specified but without a TCP
port, the BindPort is used. Possible usages are: e.g.
In a cluster with more than one control plane instances,
this field should be assigned the address of the external
load balancer in front of the control plane instances.
e.g. in environments with enforced node recycling,
the ControlPlaneEndpoint could be used for assigning
a stable DNS to the control plane. NB: This value defaults
to the first value in the Cluster object status.apiEndpoints
array.'
type: string
controllerManager:
description: ControllerManager contains extra settings
for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on
installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry
to pull images from. if not set, the ImageRepository
defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for
the image. In case this value is set, kubeadm does
not change automatically the version of the above
components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This
value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to
an external etcd cluster Local and External are
mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority
file used to secure etcd communication. Required
if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification
file used to secure etcd communication. Required
if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required
for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to
secure etcd communication. Required if using
a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for
configuring the local etcd instance Local and External
are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will
place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided
to the etcd binary when run inside a static
pod.
type: object
imageRepository:
description: ImageRepository sets the container
registry to pull images from. if not set, the
ImageRepository defined in ClusterConfiguration
will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag
for the image. In case this value is set, kubeadm
does not change automatically the version of
the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative
Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject
Alternative Names for the etcd server signing
cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry
to pull images from. If empty, `registry.k8s.io` will
be used by default; in case of kubernetes version is
a CI build (kubernetes version starts with `ci/` or
`ci-cross/`) `gcr.io/k8s-staging-ci-images` will be
used as a default for control plane components and for
kube-proxy, while `registry.k8s.io` will be used for
all the other images.
type: string
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version
of the control plane. NB: This value defaults to the
Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking
topology of the cluster. NB: This value defaults to
the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s
services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods.
If unset, the API server will not allocate CIDR
ranges for every node. Defaults to a comma-delimited
string of the Cluster object's spec.clusterNetwork.services.cidrBlocks
if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s
services. Defaults to a comma-delimited string of
the Cluster object's spec.clusterNetwork.pods.cidrBlocks,
or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the
scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to
pass to the control plane component. TODO: This
is temporary and ideally we would like to switch
all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host
volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing
volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host
that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the
pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod
template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access
to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation
of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems
to setup.
items:
description: Filesystem defines the file systems to
be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to
add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system
type.
type: string
label:
description: Label specifies the file system label
to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to
overwrite any existing filesystem. If true, any
pre-existing file system will be destroyed. Use
with Caution.
type: boolean
partition:
description: 'Partition specifies the partition
to use. The valid options are: "auto|any", "auto",
"any", "none", and <NUM>, where NUM is the actual
partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive,
used for Microsoft Azure that instructs cloud-init
to replace a file system of <FS_TYPE>. NOTE: unless
you define a label, this requires the use of the
''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions
to setup.
items:
description: Partition defines how to create and layout
a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout.
If it is true, a single partition will be created
for the entire device. When layout is false, it
means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip
checks and create the partition if a partition
or filesystem is found on the device. Use with
caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition
table. The following are supported: ''mbr'': default
and setups a MS-DOS partition table ''gpt'': setups
a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data
upon creation.
items:
description: File defines the input for generating write_files
in cloud-init.
properties:
append:
description: Append specifies whether to append Content
to existing file if Path exists.
type: boolean
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content
to populate the file.
properties:
secret:
description: Secret represents a secret that should
populate this file.
properties:
key:
description: Key is the key in the secret's
data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the
file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file,
e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where
to store the file.
type: string
permissions:
description: Permissions specifies the permissions to
assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap
data
enum:
- cloud-config
- ignition
type: string
ignition:
description: Ignition contains Ignition specific configuration.
properties:
containerLinuxConfig:
description: ContainerLinuxConfig contains CLC specific
configuration.
properties:
additionalConfig:
description: "AdditionalConfig contains additional
configuration to be merged with the Ignition configuration
generated by the bootstrapper controller. More info:
https://coreos.github.io/ignition/operator-notes/#config-merging
\n The data format is documented here: https://kinvolk.io/docs/flatcar-container-linux/latest/provisioning/cl-config/"
type: string
strict:
description: Strict controls if AdditionalConfig should
be strictly parsed. If so, warnings are treated
as errors.
type: boolean
type: object
type: object
initConfiguration:
description: InitConfiguration along with ClusterConfiguration
are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm
init` time and describes a set of Bootstrap Tokens to
create. This information IS NOT uploaded to the kubeadm
cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap
token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message
why this token exists and what it's used for,
so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when
this token expires. Defaults to being set dynamically
at runtime based on the TTL. Expires and TTL are
mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that
this token will authenticate as when/if used for
authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional
trust between nodes and control-planes. Used for
joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this
token. Defaults to 24h. Expires and TTL are mutually
exclusive.
type: string
usages:
description: Usages describes the ways in which
this token can be used. Can by default be used
for establishing bidirectional trust, but that
can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance that's deployed on this control
plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint
in the sense that ControlPlaneEndpoint is the global
endpoint for the cluster, which then loadbalances the
requests to each individual API server. This configuration
object lets you customize what IP/DNS name and port
the local API server advertises it's accessible on.
By default, kubeadm tries to auto-detect the IP of the
default interface and use that, but in case that process
fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the
API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice
of pre-flight errors to be ignored when the current
node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
[]` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
patches:
description: Patches contains options related to applying
patches to components deployed by kubeadm during "kubeadm
init". The minimum kubernetes version needed to support
Patches is v1.22
properties:
directory:
description: Directory is a path to a directory that
contains files named "target[suffix][+patchtype].extension".
For example, "kube-apiserver0+merge.yaml" or just
"etcd.json". "target" can be one of "kube-apiserver",
"kube-controller-manager", "kube-scheduler", "etcd".
"patchtype" can be one of "strategic" "merge" or
"json" and they match the patch formats supported
by kubectl. The default "patchtype" is "strategic".
"extension" must be either "json" or "yaml". "suffix"
is an optional string that can be used to determine
which patches are applied first alpha-numerically.
These files can be written into the target directory
via KubeadmConfig.Files which specifies additional
files to be created on the machine, either with
content inline or by referencing a secret.
type: string
type: object
skipPhases:
description: SkipPhases is a list of phases to skip during
command execution. The list of phases can be obtained
with the "kubeadm init --help" command. This option
takes effect only on Kubernetes >=1.22.0.
items:
type: string
type: array
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration
for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema
of this representation of an object. Servers should
convert recognized schemas to the latest internal value,
and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate
authority used to secure comunications between node
and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt".
TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control
plane instance to be deployed on the joining node. If
nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint
of the API server instance to be deployed on this
node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address
for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for
the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the
kubelet to use during the TLS Bootstrap process TODO:
revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options
for bootstrap token based discovery BootstrapToken
and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain
name to the API server from which info will
be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of
public key pins to verify when token-based discovery
is used. The root CA found during discovery
must match one of these values. Specifying an
empty set disables root CA pinning, which can
be unsafe. Each hash is specified as "<type>:<value>",
where the only currently supported type is "sha256".
This is a hex-encoded SHA-256 hash of the Subject
Public Key Info (SPKI) object in DER-encoded
ASN.1. These hashes can be calculated using,
for example, OpenSSL: openssl x509 -pubkey -in
ca.crt openssl rsa -pubin -outform der 2>&/dev/null
| openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate
cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based
discovery without CA verification via CACertHashes.
This can weaken the security of kubeadm since
other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL
to a kubeconfig file from which to load cluster
information BootstrapToken and File are mutually
exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify
the actual file path or URL to the kubeconfig
file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for
TLS bootstrapping. If .BootstrapToken is set, this
field is defaulted to .BootstrapToken.Token, but
can be overridden. If .File is set, this field **must
be set** in case the KubeConfigFile does not contain
any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the
REST resource this object represents. Servers may infer
this from the endpoint the client submits requests to.
Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate
to registering the new control-plane node to the cluster.
When used in the context of control plane nodes, NodeRegistration
should remain consistent across both InitConfiguration
and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container
runtime info. This information will be annotated
to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice
of pre-flight errors to be ignored when the current
node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra
arguments to the kubelet. The arguments here are
passed to the kubelet command line via the environment
file kubeadm writes at runtime for the kubelet to
source. This overrides the generic base-level configuration
in the kubelet-config-1.X ConfigMap Flags have higher
priority when parsing. These values are local and
specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of
the Node API object that will be created in this
`kubeadm init` or `kubeadm join` operation. This
field is also used in the CommonName field of the
kubelet's client certificate to the API server.
Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node
API object should be registered with. If this field
is unset, i.e. nil, in the `kubeadm init` process
it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}.
If you don''t want to taint your control-plane node,
set this field to an empty slice, i.e. `taints:
[]` in the YAML file. This field is solely used
for Node registration.'
items:
description: The node this Taint is attached to
has the "effect" on any pod that does not tolerate
the Taint.
properties:
effect:
description: Required. The effect of the taint
on pods that do not tolerate the taint. Valid
effects are NoSchedule, PreferNoSchedule and
NoExecute.
type: string
key:
description: Required. The taint key to be applied
to a node.
type: string
timeAdded:
description: TimeAdded represents the time at
which the taint was added. It is only written
for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to
the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
patches:
description: Patches contains options related to applying
patches to components deployed by kubeadm during "kubeadm
join". The minimum kubernetes version needed to support
Patches is v1.22
properties:
directory:
description: Directory is a path to a directory that
contains files named "target[suffix][+patchtype].extension".
For example, "kube-apiserver0+merge.yaml" or just
"etcd.json". "target" can be one of "kube-apiserver",
"kube-controller-manager", "kube-scheduler", "etcd".
"patchtype" can be one of "strategic" "merge" or
"json" and they match the patch formats supported
by kubectl. The default "patchtype" is "strategic".
"extension" must be either "json" or "yaml". "suffix"
is an optional string that can be used to determine
which patches are applied first alpha-numerically.
These files can be written into the target directory
via KubeadmConfig.Files which specifies additional
files to be created on the machine, either with
content inline or by referencing a secret.
type: string
type: object
skipPhases:
description: SkipPhases is a list of phases to skip during
command execution. The list of phases can be obtained
with the "kubeadm init --help" command. This option
takes effect only on Kubernetes >=1.22.0.
items:
type: string
type: array
type: object
mounts:
description: Mounts specifies a list of mount points to be
setup.
items:
description: MountPoints defines input for generated mounts
in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands
to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to
run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm
command with a shell script with retries for joins. \n This
is meant to be an experimental temporary workaround on some
environments where joins fail due to timing (and other issues).
The long term goal is to add retries to kubeadm proper and
use that functionality. \n This will add about 40KB to userdata
\n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055.
\n Deprecated: This experimental fix is no longer needed
and this field will be removed in a future release. When
removing also remove from staticcheck exclude-rules for
SA1019 in golangci.yml"
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user
in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the
user
type: string
groups:
description: Groups specifies the additional groups
for the user
type: string
homeDir:
description: HomeDir specifies the home directory to
use for the user
type: string
inactive:
description: Inactive specifies whether to mark the
user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login
should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for
the user
type: string
passwdFrom:
description: PasswdFrom is a referenced source of passwd
to populate the passwd.
properties:
secret:
description: Secret represents a secret that should
populate this password.
properties:
key:
description: Key is the key in the secret's
data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's
namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
primaryGroup:
description: PrimaryGroup specifies the primary group
for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh
authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level
verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: true
subresources: {}
status:
acceptedNames:
kind: ""
plural: ""
conditions: null
storedVersions: null
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-leader-election-role
namespace: capi-kubeadm-bootstrap-system
rules:
- apiGroups:
- ""
resources:
- events
verbs:
- create
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- get
- list
- watch
- create
- update
- patch
- delete
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-system-capi-kubeadm-bootstrap-manager-role
rules:
- apiGroups:
- ""
resources:
- configmaps
- events
- secrets
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- bootstrap.cluster.x-k8s.io
resources:
- kubeadmconfigs
- kubeadmconfigs/finalizers
- kubeadmconfigs/status
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- cluster.x-k8s.io
resources:
- clusters
- clusters/status
- machinepools
- machinepools/status
- machines
- machines/status
- machinesets
verbs:
- get
- list
- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-leader-election-rolebinding
namespace: capi-kubeadm-bootstrap-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: capi-kubeadm-bootstrap-leader-election-role
subjects:
- kind: ServiceAccount
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-system-capi-kubeadm-bootstrap-manager-rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: capi-kubeadm-bootstrap-system-capi-kubeadm-bootstrap-manager-role
subjects:
- kind: ServiceAccount
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: v1
kind: Service
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
spec:
ports:
- port: 443
targetPort: webhook-server
selector:
cluster.x-k8s.io/provider: bootstrap-kubeadm
---
apiVersion: apps/v1
kind: Deployment
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
control-plane: controller-manager
name: capi-kubeadm-bootstrap-controller-manager
namespace: capi-kubeadm-bootstrap-system
spec:
replicas: 1
selector:
matchLabels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
strategy: {}
template:
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
spec:
containers:
- args:
- --leader-elect
- --metrics-bind-addr=localhost:8080
- --feature-gates=MachinePool=false,KubeadmBootstrapFormatIgnition=false
- --bootstrap-token-ttl=15m
command:
- /manager
image: registry.k8s.io/cluster-api/kubeadm-bootstrap-controller:v1.3.0
imagePullPolicy: IfNotPresent
livenessProbe:
httpGet:
path: /healthz
port: healthz
name: manager
ports:
- containerPort: 9443
name: webhook-server
protocol: TCP
- containerPort: 9440
name: healthz
protocol: TCP
readinessProbe:
httpGet:
path: /readyz
port: healthz
resources: {}
volumeMounts:
- mountPath: /tmp/k8s-webhook-server/serving-certs
name: cert
readOnly: true
serviceAccountName: capi-kubeadm-bootstrap-manager
terminationGracePeriodSeconds: 10
tolerations:
- effect: NoSchedule
key: node-role.kubernetes.io/master
- effect: NoSchedule
key: node-role.kubernetes.io/control-plane
volumes:
- name: cert
secret:
secretName: capi-kubeadm-bootstrap-webhook-service-cert
status: {}
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-serving-cert
namespace: capi-kubeadm-bootstrap-system
spec:
dnsNames:
- capi-kubeadm-bootstrap-webhook-service.capi-kubeadm-bootstrap-system.svc
- capi-kubeadm-bootstrap-webhook-service.capi-kubeadm-bootstrap-system.svc.cluster.local
issuerRef:
kind: Issuer
name: capi-kubeadm-bootstrap-selfsigned-issuer
secretName: capi-kubeadm-bootstrap-webhook-service-cert
subject:
organizations:
- k8s-sig-cluster-lifecycle
---
apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-selfsigned-issuer
namespace: capi-kubeadm-bootstrap-system
spec:
selfSigned: {}
---
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-mutating-webhook-configuration
webhooks:
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /mutate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfig
failurePolicy: Fail
name: default.kubeadmconfig.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigs
sideEffects: None
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /mutate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfigtemplate
failurePolicy: Fail
name: default.kubeadmconfigtemplate.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigtemplates
sideEffects: None
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
clusterctl.cluster.x-k8s.io: ""
name: capi-kubeadm-bootstrap-validating-webhook-configuration
webhooks:
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /validate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfig
failurePolicy: Fail
matchPolicy: Equivalent
name: validation.kubeadmconfig.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigs
sideEffects: None
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /validate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfigtemplate
failurePolicy: Fail
matchPolicy: Equivalent
name: validation.kubeadmconfigtemplate.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigtemplates
sideEffects: None